A176884 Beginning with 2, the distance between a number and the previous number with same number of prime factors, repetitions included. Powers of 2 are assigned zero. See example.

0, 1, 0, 2, 2, 2, 0, 3, 1, 4, 4, 2, 4, 1, 0, 4, 6, 2, 2, 6, 1, 4, 8, 3, 1, 7, 1, 6, 2, 2, 0, 7, 1, 1, 12, 6, 3, 1, 4, 4, 12, 2, 2, 1, 7, 4, 16, 3, 5, 2, 2, 6, 14, 4, 2, 2, 1, 6, 4, 2, 4, 11, 0, 3, 3, 6, 2, 4, 2, 4, 24, 2, 5, 5, 1, 3, 2, 6, 8, 21, 5, 4, 3, 3, 1, 1, 4, 6, 2, 4, 14, 2, 1, 1, 32, 8, 6, 1, 10, 4, 3

Offset: 1

Author

Daniel Tisdale, Apr 27 2010

Keywords

• nonn

Examples

			The distance between numbers and previous number with same number of primes (#,d): (2,0),(3,1),(4,0),(5,2),(6,2),(7,2),(8,0),(9,3),...So the sequence is: 0,1,0,2,2,2,0,3,...
		

Crossrefs

Cf. A176883.

Extensions

Extended by Ray Chandler, May 05 2010